Question about 2006 Chevrolet Impala

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06 Chevy impala 3.5 intermitant surge on average acceleration between 1500-2200rpms. Good Gas, 58 psi fuel pressure and it holds steady, new gm serta trans (problem existed before) new maf. Any help would be appreciated.

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Sometimes trouble shooting can be very difficult with no codes. It may be the (TPS) throttle positioning sensor (on the throttle body) OR it may be the fuel pressure valve (on the end of fuel rail)

Posted on Jun 13, 2011

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